homeland security - the threat

In today’s security environment Critical National Infrastructure, VIPs, and Crowded Places are increasingly being targeted with improvised explosives (IEDs) and stand-off weapons such as mortars, rockets and snipers.

Defending buildings using surveillance technology isn’t fool-proof either. What can the sensors see, and more importantly, what can they not? If a sensor goes down, which one needs to be tasked to ensure surveillance coverage is maintained?

A rifle shooting indiscriminately out of a 1st floor window. You need to get a team in there to neutralise them. They can see everything. So how do you get your team in? What are the safe routes in and out?